In the presence of a catalytic amount of copper(II) acetate and di-tert-butyl
peroxide, a cross-coupling reaction of anilines with alkylborane reagents gives
N-alkylated anilines in good to excellent yields. Phenols are also
applicable for this reaction.
S. Sueki, Y. Kuninobu, Org. Lett., 2013,
15, 1544-1547.

The key to the success of a general catalytic procedure for the cross-coupling
of primary amides and alkylboronic acids was the identification of a mild base
(NaOSiMe3) and oxidant (di-tert-butyl peroxide) to promote the
copper-catalyzed reaction in high yield. This transformation provides a facile,
high-yielding method for the monoalkylation of amides.
S. A. Rossi, K. W. Shimkin, Q. Xu, L. M. Mori-Quiroz, D. A. Watson, Org. Lett., 2013,
15, 2314-2317.

A convenient method for the synthesis of aryl thioamides from aryl aldehydes and
tetramethylthiuram disulfide (TMTD) in the presence of CuI and di-tert-butyl
peroxide (DTBP) avoids the use of a sulfurating reagent. The protocol offers
broad substrate scope, very good yields, operability and uses commercially
available and inexpensive raw materials.
M.-T. Zeng, M. Wang, H.-Y. Peng, Y. Cheng, Z.-B. Dong, Synthesis, 2018, 50,
644-650.

The use of DTBP as radical initiator and a copper salt as promoter enables
the preparation of allylic alcohol, benzyl, and alkane derivatives via a radical
mechanism. The C(sp3)-H bond in various alcohols, toluene derivatives,
and alkanes were successfully alkenylated with β-nitrostyrenes to yield the
desired products in good yields.
S.-r. Guo, Y.-q. Yuan,
Synlett, 2015, 26, 1961-1968.